131273775

素因数分解:

$3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{3023}}^1$

素因数の和:3232

約数の個数: 36

約数和(自身を含む): 236422368

約数和(自身を除く): 105148593

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 193, 225, 579, 965, 1737, 2895, 3023, 4825, 8685, 9069, 14475, 15115, 27207, 43425, 45345, 75575, 136035, 226725, 583439, 680175, 1750317, 2917195, 5250951, 8751585, 14585975, 26254755, 43757925, 131273775]

約数ペア:

[(1, 131273775), (3, 43757925), (5, 26254755), (9, 14585975), (15, 8751585), (25, 5250951), (45, 2917195), (75, 1750317), (193, 680175), (225, 583439), (579, 226725), (965, 136035), (1737, 75575), (2895, 45345), (3023, 43425), (4825, 27207), (8685, 15115), (9069, 14475)]